#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2024 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import sys


def is_substring(main_str, sub_str):
    return sub_str in main_str


def main(argv):
    if len(argv) != 2:
        print("Usage: python is_substring.py <main_string> <substring>")
        return 1
    main_str = argv[0]
    sub_str = argv[1]
    result = is_substring(main_str, sub_str)
    sys.stdout.write(str(result))
    return 0

if __name__ == "__main__":
    sys.exit(main(sys.argv[1:]))
